A mobile terminal operated in cooperation with an information processing device capable of setting an authentication mode relating to user authentication to one mode selected from two kinds of modes of an authentication request mode requiring the user authentication, and a non-authentication request mode not requiring the user authentication, the mobile terminal including: a display unit configured to display a confirmation message inquiring a user of the mobile terminal whether to perform authentication operation; and a control unit configured to control display operation for displaying the confirmation message, acquiring, from the information processing device, authentication mode information being information representing whether the authentication mode is the authentication request mode or the non-authentication request mode, and displaying the confirmation message on the display unit, on condition that the authentication mode information is acquired, the authentication mode information representing that the authentication mode is the authentication request mode.